Home / 87,797.63-121,160.25-47,511.33

Finding the Fourth Proportional to 87,797.63, 121,160.25 and 47,511.33

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Solution

The fourth proportional to 87,797.63, 121,160.25 and 47,511.33 is: 65,565.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,797.63 : 121,160.25 = 47,511.33 : x
  2. Step 2: Convert to fraction form
    87,797.63/121,160.25 = 47,511.33/x
  3. Step 3: Cross multiply
    87,797.63x = 121,160.25 × 47,511.33
  4. Step 4: Simplify right side
    87,797.63x = 5,756,484,620.63
  5. Step 5: Solve for x
    x = 5,756,484,620.63/87,797.63
  6. Step 6: Final answer
    x = 65,565.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.